Compared to the usual EV power plants, axial-flux motors are smaller and lighter, and have more torque. But they're hard to make at scale. Now Mercedes is bringing them to the masses.

Waymo got approval Friday afternoon from California regulators for paid robotaxi rides in the second-largest city in the US, plus even more of the San Francisco Bay Area.

Hydrogen-powered planes, more fuel-efficient aircraft designs, and all-electric parcel delivery services are just some of the ways in which the transport sector is looking to decarbonize.